146 lines
5.3 KiB
C++
146 lines
5.3 KiB
C++
/*
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* Copyright (C) 2012 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "CSSParserContext.h"
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#include "CSSStyleDeclaration.h"
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#include "DeprecatedCSSOMValue.h"
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#include <memory>
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#include <wtf/HashMap.h>
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#include <wtf/RefPtr.h>
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#include <wtf/WeakPtr.h>
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namespace WebCore {
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class CSSRule;
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class CSSProperty;
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class CSSValue;
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class MutableStyleProperties;
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class StyleSheetContents;
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class StyledElement;
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class PropertySetCSSStyleDeclaration : public CSSStyleDeclaration {
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WTF_MAKE_ISO_ALLOCATED(PropertySetCSSStyleDeclaration);
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public:
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explicit PropertySetCSSStyleDeclaration(MutableStyleProperties& propertySet)
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: m_propertySet(&propertySet)
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{ }
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virtual void clearParentElement() { ASSERT_NOT_REACHED(); }
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StyleSheetContents* contextStyleSheet() const;
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protected:
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enum MutationType { NoChanges, PropertyChanged };
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virtual CSSParserContext cssParserContext() const;
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MutableStyleProperties* m_propertySet;
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std::unique_ptr<HashMap<CSSValue*, WeakPtr<DeprecatedCSSOMValue>>> m_cssomValueWrappers;
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private:
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void ref() override;
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void deref() override;
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CSSRule* parentRule() const override { return nullptr; }
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unsigned length() const final;
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String item(unsigned index) const final;
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RefPtr<DeprecatedCSSOMValue> getPropertyCSSValue(const String& propertyName) final;
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String getPropertyValue(const String& propertyName) final;
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String getPropertyPriority(const String& propertyName) final;
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String getPropertyShorthand(const String& propertyName) final;
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bool isPropertyImplicit(const String& propertyName) final;
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ExceptionOr<void> setProperty(const String& propertyName, const String& value, const String& priority) final;
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ExceptionOr<String> removeProperty(const String& propertyName) final;
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String cssText() const final;
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ExceptionOr<void> setCssText(const String&) final;
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RefPtr<CSSValue> getPropertyCSSValueInternal(CSSPropertyID) final;
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String getPropertyValueInternal(CSSPropertyID) final;
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ExceptionOr<void> setPropertyInternal(CSSPropertyID, const String& value, bool important) final;
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Ref<MutableStyleProperties> copyProperties() const final;
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RefPtr<DeprecatedCSSOMValue> wrapForDeprecatedCSSOM(CSSValue*);
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virtual bool willMutate() WARN_UNUSED_RETURN { return true; }
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virtual void didMutate(MutationType) { }
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};
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class StyleRuleCSSStyleDeclaration final : public PropertySetCSSStyleDeclaration {
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WTF_MAKE_ISO_ALLOCATED(StyleRuleCSSStyleDeclaration);
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public:
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static Ref<StyleRuleCSSStyleDeclaration> create(MutableStyleProperties& propertySet, CSSRule& parentRule)
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{
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return adoptRef(*new StyleRuleCSSStyleDeclaration(propertySet, parentRule));
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}
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virtual ~StyleRuleCSSStyleDeclaration();
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void clearParentRule() { m_parentRule = nullptr; }
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void ref() final;
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void deref() final;
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void reattach(MutableStyleProperties&);
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private:
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StyleRuleCSSStyleDeclaration(MutableStyleProperties&, CSSRule&);
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CSSStyleSheet* parentStyleSheet() const final;
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CSSRule* parentRule() const final { return m_parentRule; }
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bool willMutate() final WARN_UNUSED_RETURN;
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void didMutate(MutationType) final;
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CSSParserContext cssParserContext() const final;
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unsigned m_refCount;
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StyleRuleType m_parentRuleType;
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CSSRule* m_parentRule;
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};
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class InlineCSSStyleDeclaration final : public PropertySetCSSStyleDeclaration {
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WTF_MAKE_ISO_ALLOCATED(InlineCSSStyleDeclaration);
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public:
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InlineCSSStyleDeclaration(MutableStyleProperties& propertySet, StyledElement& parentElement)
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: PropertySetCSSStyleDeclaration(propertySet)
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, m_parentElement(&parentElement)
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{
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}
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private:
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CSSStyleSheet* parentStyleSheet() const final;
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StyledElement* parentElement() const final { return m_parentElement; }
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void clearParentElement() final { m_parentElement = nullptr; }
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bool willMutate() final WARN_UNUSED_RETURN;
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void didMutate(MutationType) final;
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CSSParserContext cssParserContext() const final;
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StyledElement* m_parentElement;
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};
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} // namespace WebCore
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